. >> jack kennedy was a friend of mine. senator, you're no jack kennedy. >> two very memorable lines but you made an interesting observation. >> they are quite famous but both were uttered by losing candidates. paul ryan and joe biden know the stakes are huge for this debate. this is brand-new terrain for ryan. biden has more pressure on him than last week after the man at the top of the ticket did not deliver. >> rick klein with the bigger picture, thank you. >>> a reminder right here, "one on one, the candidates debate" on thursday night, diane and george right at the desk. jake tapper and me at the debate hall, and abc's martha raddatz will be moderating the debate. it all begins at 9:00 p.m. eastern right here on abc. >>> in the meantime, we move on to a key issue for voters, the soaring price of gas. averaging 3.81 nationally, that's up 3 cents in the past week. and in california, look at this, an average of 4.65 a gallon, so tonight we're asking what's going on in california, and are we about to see a turning point wi